netcoreapp3.1 
namespace System.Drawing.Design
{
    public class ToolboxItem : ISerializable
    {
        protected virtual void OnComponentsCreating(ToolboxComponentsCreatingEventArgs args);
    }
}
Upgrade Planner
0.0 %
Reference this API
.NET
5.06.07.08.09.0
.NET Core
3.03.1
.NET Framework
1.01.12.03.03.54.04.54.5.14.5.24.64.6.14.6.24.74.7.14.7.24.84.8.1
Information specific to netcoreapp3.1
Assembly

System.Windows.Forms.Design , Version=4.0.0.0, PublicKeyToken=b77a5c561934e089

Referencing

Requires all:

  • You need to build and run on Windows.

  • Your project needs to set <UseWindowsForms>True</UseWindowsForms>.

Platform Restrictions

This framework does not have platform annotations.

  • Built-in API
  • Package-provided API